Year % of total taxes 1985 3.172978505629478 1986 2.3758807144027525 1987 4.266403829907069 1988 8.2750730901233 1989 10.404174994448145 1990 9.243847874720359 1991 9.54734137181261 1992 9.003674969375256 1993 8.83742911153119 1994 4.934802968085872 1995 4.215060625398851 1996 9.027672438078314 1997 9.974122840398811 1998 9.740177839439996 1999 12.261336000965867 2000 11.299037981009494 2001 10.019612267212802 2002 11.258735710777701 2003 11.124125065458983 2004 11.409524356068214 2005 14.015154320473307 2006 15.234626264109984 2007 14.783964295107928